<template>
  <div class="user-info-head">
    <img :src="options.img" class="img-circle img-lg" v-if="options.img" />
    <img src="../../../../assets/images/moren.png" class="img-circle img-lg" v-else />
    <div :class="options.img ? '' : 'cover'" />

    <el-dialog
      :class="'el-dialog-theme3'"
      :title="title"
      v-model="open"
      width="800px"
      append-to-body
      @opened="modalOpened"
      @close="closeDialog"
      draggable
      :close-on-click-modal="false"
    >
      <el-row>
        <el-col :xs="24" :md="12" :style="{ height: '350px' }">
          <vue-cropper
            ref="cropper"
            :img="selectedImg === '' ? options.img : selectedImg"
            :info="true"
            :autoCrop="options.autoCrop"
            :autoCropWidth="options.autoCropWidth"
            :autoCropHeight="options.autoCropHeight"
            :fixedBox="options.fixedBox"
            :outputType="options.outputType"
            @realTime="realTime"
            v-if="visible"
          />
        </el-col>

        <el-col :xs="24" :md="12" :style="{ height: '350px' }">
          <div class="avatar-upload-preview" style="border-radius: 0">
            <img :src="options.previews.url" :style="options.previews.img" />
          </div>
        </el-col>
      </el-row>

      <br />
      <el-row>
        <el-col :lg="2" :md="2">
          <el-upload
            action="#"
            :http-request="requestUpload"
            :show-file-list="false"
            :before-upload="beforeUpload"
          >
            <el-button>
              选择
              <el-icon class="el-icon--right">
                <Upload />
              </el-icon>
            </el-button>
          </el-upload>
        </el-col>
        <el-col :lg="{ span: 1, offset: 2 }" :md="2">
          <el-button icon="Plus" @click="changeScale(1)"></el-button>
        </el-col>
        <el-col :lg="{ span: 1, offset: 1 }" :md="2">
          <el-button icon="Minus" @click="changeScale(-1)"></el-button>
        </el-col>
        <el-col :lg="{ span: 1, offset: 1 }" :md="2">
          <el-button icon="RefreshLeft" @click="rotateLeft()"></el-button>
        </el-col>
        <el-col :lg="{ span: 1, offset: 1 }" :md="2">
          <el-button icon="RefreshRight" @click="rotateRight()"></el-button>
        </el-col>
        <el-col :lg="{ span: 2, offset: 6 }" :md="2">
          <el-button type="success" @click="uploadImg()">提 交</el-button>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>

<script setup>
import "vue-cropper/dist/index.css";
import { VueCropper } from "vue-cropper";
import { uploadImageAPI, showImageAPI } from "@/api/resource/instrumentItem";

const { proxy } = getCurrentInstance();
const props = defineProps({
  instrumentId: {
    type: String,
  },
  typeId: {
    type: Number,
  },
});
const open = ref(false);
const visible = ref(false);
const title = ref("修改图片");
const selectedImg = ref("");
//图片裁剪数据
const options = reactive({
  img: "", // 裁剪图片的地址
  autoCrop: true, // 是否默认生成截图框
  autoCropWidth: 200, // 默认生成截图框宽度
  autoCropHeight: 200, // 默认生成截图框高度
  fixedBox: true, // 固定截图框大小 不允许改变
  outputType: "png", // 默认生成截图为PNG格式
  previews: {}, //预览数据
});
if (props.instrumentId) {
  if (props.instrumentId) {
    options.instrumentId = props.instrumentId;
    options.typeId = props.typeId;
    picPreivew();
  } else {
    delete options.instrumentId;
    delete options.typeId;
    delete options.fileId;
    delete options.img;
  }
}
watch(
  () => props.instrumentId,
  () => {
    if (props.instrumentId) {
      options.instrumentId = props.instrumentId;
      options.typeId = props.typeId;
      picPreivew();
    } else {
      delete options.instrumentId;
      delete options.typeId;
      delete options.fileId;
      delete options.img;
    }
  }
);

async function picPreivew() {
  const { data: res } = await showImageAPI({
    groupId: options.instrumentId,
    typeId: options.typeId,
  });
  if (res.length > 0) {
    options.fileId = res[0]?.fileId;
    proxy.$download.previewPicById(options.fileId).then((resp) => {
      options.img = resp;
    });
  }
}

/** 打开弹出层结束时的回调 */
function modalOpened() {
  visible.value = true;
}

/** 覆盖默认上传行为 */
function requestUpload() {}

/** 向左旋转 */
function rotateLeft() {
  proxy.$refs.cropper.rotateLeft();
}

/** 向右旋转 */
function rotateRight() {
  proxy.$refs.cropper.rotateRight();
}

/** 图片缩放 */
function changeScale(num) {
  num = num || 1;
  proxy.$refs.cropper.changeScale(num);
}

/** 上传预处理 */
function beforeUpload(file) {
  if (file.type.indexOf("image/") == -1) {
    proxy.$modal.msgError("文件格式错误，请上传图片类型,如：JPG，PNG后缀的文件。");
  } else {
    const reader = new FileReader();
    reader.readAsDataURL(file);
    reader.onload = () => {
      selectedImg.value = reader.result;
    };
  }
}

/** 上传图片 */
function uploadImg() {
  proxy.$refs.cropper.getCropBlob((data) => {
    let formData = new FormData();
    formData.append("file", data);
    formData.append("groupId", options.instrumentId);
    formData.append("typeId", options.typeId);

    if (options.fileId) {
      formData.append("fileId", options.fileId);
    }

    uploadImageAPI(formData).then((response) => {
      open.value = false;
      options.fileId = response.data.fileId;
      proxy.$download.previewPicById(options.fileId).then((resp) => {
        options.img = resp;
      });

      proxy.$modal.msgSuccess("修改成功");
      visible.value = false;
    });
  });
}

/** 实时预览 */
function realTime(data) {
  options.previews = data;
}

/** 关闭窗口 */
function closeDialog() {
  options.visible = false;
  selectedImg.value = "";
}

defineExpose({
  open,
});
</script>

<style lang="scss" scoped>
.box {
  display: flex;
  justify-content: space-around;
}

.user-info-head {
  position: relative;
  display: inline-block;
  height: 120px;
  line-height: 120px;
}

.user-info-head .cover::after {
  content: "+";
  display: inline-block;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  text-align: center;
  color: #999;
  font-size: 35px;
}

.user-info-head:hover:after {
  content: "+";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  color: #eee;
  background: rgba(0, 0, 0, 0.5);
  font-size: 35px;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  cursor: pointer;
}

.img-lg {
  height: 100%;
  border-radius: 3px !important;
  text-align: center;
}
</style>
